metanephros

[ met-uh-nef-ros ]

noun

, Embryology.

, plural met·a·neph·roi [met-, uh, -, nef, -roi].

1. one of the three embryonic excretory organs of higher vertebrates, becoming the permanent and functional kidney.

metanephros

/ ˌmɛtəˈnɛfrɒs /

noun

1. See mesonephros, pronephros
   the last-formed posterior part of the embryonic kidney in reptiles, birds, and mammals, which remains functional in the adult See also pronephros mesonephros

Other Words From

• meta·nephric adjective

Word History and Origins

Origin of metanephros¹

1875–80; < New Latin < Greek meta- meta- + nephrós kidney

Word History and Origins

Origin of metanephros¹

C19: New Latin, from meta- + Greek nephros kidney

Example Sentences

The differentiation of a posterior section of the mesonephros into a special gland foreshadowing the metanephros of the Amniota.

From Project Gutenberg

The ureter which carries off the secretion of the kidney proper or metanephros.

From Project Gutenberg

The mode of development of the metanephros has as yet only been satisfactorily elucidated in the Chick (Sedgwick, No. 549).

From Project Gutenberg